Seiko Caliber 4 R

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instance_of gptkb:watch
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Seiko_5_Heritage
gptkbp:awards 21 jewels
gptkbp:competes_with ETA 2824-2
gptkbp:design based on Seiko Caliber 4 R35
gptkbp:features manual winding
hacking seconds
gptkbp:frequency 21,600 vibrations per hour
https://www.w3.org/2000/01/rdf-schema#label Seiko Caliber 4 R
gptkbp:introduced gptkb:2011
gptkbp:manufacturer gptkb:Seiko_Instruments_Inc.
gptkbp:notable_models Seiko Prospex series
Seiko SKX series
Seiko SRP series
Seiko SNZH series
Seiko SRPD series
gptkbp:performance -20 to +40 seconds per day
gptkbp:power_reserve approximately 41 hours
gptkbp:related_to gptkb:Seiko_5_series
gptkbp:successor Seiko Caliber 7 S
gptkbp:type automatic movement
gptkbp:used_in gptkb:watch